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|Title:||Joint learning of preposition senses and semantic roles of prepositional phrases||Authors:||Dahlmeier, D.
Tou Ng, H.
|Issue Date:||2009||Citation:||Dahlmeier, D.,Tou Ng, H.,Schultz, T. (2009). Joint learning of preposition senses and semantic roles of prepositional phrases. EMNLP 2009 - Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing: A Meeting of SIGDAT, a Special Interest Group of ACL, Held in Conjunction with ACL-IJCNLP 2009 : 450-458. ScholarBank@NUS Repository.||Abstract:||The sense of a preposition is related to the semantics of its dominating prepositional phrase. Knowing the sense of a preposition could help to correctly classify the semantic role of the dominating prepositional phrase and vice versa. In this paper, we propose a joint probabilistic model for word sense disambiguation of prepositions and semantic role labeling of prepositional phrases. Our experiments on the PropBank corpus show that jointly learning the word sense and the semantic role leads to an improvement over state-of-the-art individual classifier models on the two tasks. © 2009 ACL and AFNLP.||Source Title:||EMNLP 2009 - Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing: A Meeting of SIGDAT, a Special Interest Group of ACL, Held in Conjunction with ACL-IJCNLP 2009||URI:||http://scholarbank.nus.edu.sg/handle/10635/41183|
|Appears in Collections:||Staff Publications|
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